Sukprasert, Jaravee, Nichapa Trichaisri, and Napapong Bamrungpong. “A Model Innovation for Practicing Specimen Collection of Nasopharyngeal Swabs”. Princess of Naradhiwas University Journal 14, no. 2 (May 14, 2022): 38–55. Accessed April 25, 2024. https://li01.tci-thaijo.org/index.php/pnujr/article/view/254105.